Masani NJ. Simple Calculations in the Design of Forest Bridges of Stock Spans of 15, 20, 30 and 40 Feet. Indian Forester [Internet]. 1951 Aug. 1 [cited 2025 Oct. 29];77(8):517-36. Available from: https://indianforester.co.in/index.php/indianforester/article/view/23313